We retain a few tests on the RunBuild plan, with `typescript` set to
false in the runtime options, but for the general case, we remove the
build steps and custom entry points for our programs.
* Work around a potentially bad assert in the engine
The engine asserts if presented with a plan that deletes the same URN
more than once. This has been empirically proven to be possible, so I am
removing the assert.
* CR: Add log for multiple pending-delete deletes